[mythtv-users] Where does mythtv get the frequencies from?

[Paul Koster]

From: <ebike at paradise.net.nz>
> Frequency information is in a really odd place, I found. It took me ages
to find
> out how to set the channels correctly, and only with help from this forum.

The same holds for me and even now I'm not using the 'standard' way of
configuring channels with frequencies. The problem basically is that MythTV
has no capability to specify frequencies for channels. Instead it relies on
those channel numbers/frequency id's which are not used in a standard way in
Europe.

> The method is this:
>
> 1. With xawtv find out what channel numbers correspond to what on-air
channel
> for your country/town etc, write them down.

Unfortunately xawtv does not work with PVR 250 / 350 cards as far as I
understood from previous messages.

>
> 2. In the setup program (i.e run ./setup from mythtv/setup/ directory)
goto the
> channel editor page, goto the next page and you will find a setting called
> "Frequency ID" (yep a confusing misnomer!!) and put in the channel number
you
> got from xawtv in there .... go figure!!

I'm using another aproach with my PVR 250:
- get the list of frequencies from your cable provider (from teletext or
their website, etc.)
- enter the frequency * 16 in the FreqId field (using any way you want, e.g.
mythweb, phpmyadmin, the setup tool)
- use the following script set as 'use external script' to tune channels
#!/bin/sh
test_ioctl -r tuner=0,freq=$1

--
Paul

> Cheers,
> Bernie
>
>
> Quoting "gkanis at cems.umn.edu" <gkanis at cems.umn.edu>:
>
> > Which driver do you use to control the tv-card?
> > Are you loading the driver with the right parameters?
> >
> > Vasilis
> >
> >
> > On Tuesday 02 March 2004 10:52 am, Adrian Townsend wrote:
> > > frequencies are usually hard-set on the tuner aren't
> > > they?
> > >
> > > as far as I know you can't change them . .. sorry for
> > > the bad news.
> > >
> > > --- "Claus M. Christiansen" <a at skjern-net.dk> wrote:
> > > > Hi...
> > > >
> > > > I finally had my tv-card, an Hauppage PVR-350, up
> > > > and running in Linux
> > > > and I have succeded in installing mythtv. I have
> > > > also run the
> > > > mythfilldatabase with --manual to get channel info
> > > > and so on but the
> > > > problems lies when I start up mythtv. The main part
> > > > of the channels is
> > > > just noice and only some of them have a clear
> > > > picture on them. I
> > > > thinking that is must because the frequencies that
> > > > mythtv tunes into are
> > > > the wrong ones, so I decided to change to manually
> > > > but where do i do
> > > > so?! I can't seem to find frequency information
> > > > anywhere in the
> > > > database. What controls the frequencies?! I first
> > > > thought that they came
> > > > automatically from mythfilldatabase when you run it
> > > > with the --manual flag..
> > > >
> > > > I live in Denmark and use PAL as my TV standard.
> > > >
> > > > Claus
> > > >
> > > > > _______________________________________________
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